crystal radio


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crystal radio

n.
A simple radio receiver, typically incorporating a crystal in the tuner, that has a very long antenna and gets all its operating power from the incoming signal.
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The NAB has revealed no less than 50 finalists for the 31st annualNAB Crystal Radio Awards.
Children can join sound artist Ben Freeth for hands-on workshops on Tuesday 24 & Thursday October 26 to build their own crystal radio transmitter and morse code transmitters.
flame, and I become diaphanous as static from a crystal radio ringing
On one visit to my home to fix a broken tuner on our old Emerson black and white TV, he brought along some parts and helped me build my first crystal radio.
Contract notice: Modernization crystal radio network dreals centre
All the songs are the ones I heard on the old Long Wave when I was a kid in Brum listening to my old crystal radio.
From its humble beginnings on a small crystal radio set in the early years of radio to its wide distribution through broadcast and internet today, farm broadcasting has been a part of agriculture's rich heritage for nearly 100 years and will continue to be the bridge for information to producers and consumers for years to come in the future.
This led to his constructing devices from a working crystal radio, a cannon that used matchheads for powder and rockets that had the tendency to explode rather than lift off.
when I left my crystal radio project out on the kitchen telephone
Rochow, whose interest in silicon chemistry had been triggered by building a quartz crystal radio (quartz is silicon dioxide) as a child, worked out a way to make silicones using essentially sand and methane as raw materials.
There they scrutinise Oliver Cromwell's sleeping cap, a plate from the era of Samuel Pepys and a prisoner of war's crystal radio.
As with the quartz crystal in a watch or crystal radio set, the crystal in a QCM has a resonant frequency where it has the greatest response to an electrical stimulus.